GB/T 26527-2024 English PDFUS$359.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 26527-2024: Silicone defoaming agent Status: Valid GB/T 26527: Historical versions
Basic dataStandard ID: GB/T 26527-2024 (GB/T26527-2024)Description (Translated English): Silicone defoaming agent Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G71 Classification of International Standard: 71.100.40 Word Count Estimation: 18,124 Date of Issue: 2024-04-25 Date of Implementation: 2024-11-01 Older Standard (superseded by this standard): GB/T 26527-2011 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 26527-2024: Silicone defoaming agent---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 71:100:40 CCSG71 National Standards of People's Republic of China Replaces GB/T 26527-2011 Silicone defoamer Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 26527-2011 "Silicone Defoamers": Compared with GB/T 26527-2011, except for structural adjustment and editing, In addition to the changes in performance, the main technical changes are as follows: --- Added a chapter on terms and definitions (see Chapter 3); --- Added a detailed explanation in the classification chapter (see Chapter 4); --- Changed some contents in the technical requirements (see Chapter 5, Chapter 4 of the:2011 edition); --- Added technical requirements for modified silicone defoamers (see 5:2); --- Changed the name of the defoaming performance (defoaming time) project and the reagents used (see 6:5, 6:5:1, 5:5,:2011 edition 5:5:1): --- Added the test method for defoaming performance (vertical oscillation method) (see 6:6); --- Added the test method for defoaming performance (high-speed dispersion method) (see 6:7): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Petroleum and Chemical Industry Federation: This document is provided by the Chemical Additives Subcommittee of the National Technical Committee for Standardization of Rubber and Rubber Products (SAC/TC35/SC12) Centralized: This document was drafted by: Jiangsu Sixin Technology Application Research Institute Co:, Ltd:, Foshan Nanhai Datian Chemical Co:, Ltd:, Jiangsu Sai Oushin-Etsu Defoamer Co:, Ltd:, Shijiazhuang Novit Trading Co:, Ltd:, Shandong Dayi Chemical Co:, Ltd:, Dow (Shanghai) Investment Co:, Ltd: Hangzhou Chongyao Technology Development Co:, Ltd:, Shenzhen Dianshiyuan Water Treatment Technology Co:, Ltd:, Yangzhou Sixin New Materials Technology Co:, Ltd:, Beilongsheng Sihai New Materials Co:, Ltd:, Yantai Hengxin Chemical Technology Co:, Ltd:, Fujian Xister Environmental Protection Materials Technology Co:, Ltd: Co:, Ltd:, Huzhou Lutian New Materials Co:, Ltd:, Huangshan Qiangli Chemical Co:, Ltd:, Youmei Special (Beijing) Environmental Materials Technology Co:, Ltd:, Shanxi Province Chemical Research Institute (Ltd:): The main drafters of this document are: Huang Wei, Cao Tian, Li Yue, Yu Zhizhong, Wang Yanzhong, Yang Baizhong, Wan Jianbo, Huang Yunpeng, Cui Daoquan, Jiang Xiaoniu, Shi Zongwu, You Jiade, Wang Xuecheng, Zhang Yu, Yu Jinlong, Chen Lei, Ye Guanghua, and Zhang Jiansen: The previous versions of this document and the documents it replaces are as follows: ---First published in:2011 as GB/T 26527-2011; ---This is the first revision: Silicone defoamer Warning---People who use this document should have practical experience in formal laboratory work: This document does not address all possible safety issues: The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national laws and regulations:1 ScopeThis document defines the terms and definitions of organosilicon defoamers, and specifies the classification, technical requirements, inspection rules, and standards of organosilicon defoamers: It also describes the labeling, packaging, transportation and storage of the product and the corresponding test methods: This document is applicable to silicone defoamers made with polyorganosiloxane or modified polyorganosiloxane as the active body: This document is not applicable to silicone defoamers used in the food and pharmaceutical industries:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 191-2008 Pictorial markings for packaging, storage and transportation GB/T 6284 General method for determination of moisture in chemical products - Loss on drying method GB/T 6678 General Principles for Sampling of Chemical Products GB/T 6682-2008 Specifications and test methods for water used in analytical laboratories GB/T 8170-2008 Rules for rounding off values and methods for expressing and determining limit values GB/T 12579-2002 Determination of foam characteristics of lubricating oils JJF1070 Rules for the measurement and inspection of the net content of quantitatively packaged goods3 Terms and definitionsThe following terms and definitions apply to this document: 3:1 An organosilicon defoamer made of polyorganosiloxane as the active main body and other auxiliary agents: 3:2 The organosilicon defoamer is prepared by modifying polysiloxane with polyether and/or alkyl and adding other auxiliary agents:4 CategoriesSilicone defoamers are divided into three categories according to the form of preparation: bulk type, emulsion type, and solid type (organic carrier type, inorganic carrier type): a) Bulk type: It is mainly composed of organic silicon defoaming active ingredients, which are dispersible in the water phase system and do not contain water: b) Emulsion type: A water-in-oil emulsion defoamer that is dispersible in an aqueous system and is made by emulsifying the silicone defoaming active ingredient: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 26527-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 26527-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 26527-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 26527-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 26527-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 26527-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
